Rule 34 Dev - 1girl arm_support bikini black_bikini blonde_hair blush breasts english_text finger_to_mouth green_eyes highres idolmaster idolmaster_cinderella_girls crossed_legs medium_breasts miyamoto_frederica navel one_eye_closed purple_background short_hair sideboob sling_bikini_top smile solo swimsuit udon-udon underboob|11624489370